Ponceau 3R
  • CAS Number 3564-09-8
  • Catalog Number io-63369
  • Classification Azo
  • Molecular Weight 494.5000
  • SMILES CC1=CC(=C(C=C1C)N=NC2=C3C=CC(=CC3=CC(=C2O)S(=O)(=O)[O-])S(=O)(=O)[O-])C.[Na+].[Na+]
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C.I. Food Red 6 is a naphthalenesulfonic acid.

1 PONCEAU 3R
2 C.I. Food Red 6
3 Food Red 6
4 FD & C red no. 1
5 Ponceau RN
Molecular Formula C19H16N2Na2O7S2
Canonical SMILES CC1=CC(=C(C=C1C)N=NC2=C3C=CC(=CC3=CC(=C2O)S(=O)(=O)[O-])S(=O)(=O)[O-])C.[Na+].[Na+]
Isomeric SMILES CC1=CC(=C(C=C1C)N=NC2=C3C=CC(=CC3=CC(=C2O)S(=O)(=O)[O-])S(=O)(=O)[O-])C.[Na+].[Na+]
Molecular Weight 494.5000
InChIKey SWPPXVFKWWEYSV-UHFFFAOYSA-L
InChI InChI=1S/C19H18N2O7S2.2Na/c1-10-6-12(3)16(7-11(10)2)20-21-18-15-5-4-14(29(23,24)25)8-13(15)9-17(19(18)22)30(26,27)28;;/h4-9,22H,1-3H3,(H,23,24,25)(H,26,27,28);;/q;2*+1/p-2
XLogP 0.0000
ExactMass 494.0194
MonoisotopicMass 494.0194
TPSA 176.0000
Complexity 823.0000
Charge 0.0000
HBondDonorCount 1
HBondAcceptorCount 9
RotatableBondCount 2
HeavyAtomCount 32
IsotopeAtomCount 0
AtomStereoCount 0
DefinedAtomStereoCount 0
UndefinedAtomStereoCount 0
BondStereoCount 0
DefinedBondStereoCount 0
UndefinedBondStereoCount 0
CovalentUnitCount 3
PatentCount 258
PatentFamilyCount 106
LiteratureCount 32